What is the role of transfer RNA in translation?
What will be an ideal response?
tRNA molecules transfer amino acids to the protein being assembled. Each tRNA molecule carries a single, specific amino acid and includes a sequence of three nucleotides called an anticodon. During translation, a tRNA molecule with the appropriate anticodon binds to a codon on the mRNA molecule. The binding of codon and anticodon follows the usual nucleotide-pairing rules—that is, A binds with U, and G binds with C. The amino acid carried by the tRNA is then added to the growing protein. After this, the ribosome shifts the mRNA molecule so that a new codon is ready to be translated.
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Based on knowledge acquired previously in this course, this chart indicates that
A) far more people in the developing world are employed in fishing as a percentage of that population but not overall. B) far more people in the developing world are employed in fishing both as a percentage of that population and overall. C) far more people in the developing world are employed in fishing in numbers but not as a percentage of that population. D) more people in the developed world are employed in fishing as a percentage of that population but not overall. E) The answer cannot be determined from this chart.
Most of the region surrounding the North Pole is covered by ________
A) land B) permafrost C) ice pack D) ice floes E) tundra
If the biosphere is to function properly, its components must be ________
A) replaced from space B) replaced from the ocean C) recycled D) fully used up within biogeochemical cycles E) arranged so that they don't become "fixed"
The religion most dominant in southern Africa is:
A) Roman Catholicism B) Hinduism C) Islam D) Protestant